CN103896507A - Novel cement grinding aid and preparation method thereof - Google Patents
Novel cement grinding aid and preparation method thereof Download PDFInfo
- Publication number
- CN103896507A CN103896507A CN201410089181.XA CN201410089181A CN103896507A CN 103896507 A CN103896507 A CN 103896507A CN 201410089181 A CN201410089181 A CN 201410089181A CN 103896507 A CN103896507 A CN 103896507A
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- Prior art keywords
- grinding aid
- cement
- cement grinding
- mass
- preparation
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- 238000000227 grinding Methods 0.000 title claims abstract description 58
- 238000002360 preparation method Methods 0.000 title claims abstract description 12
- 239000004568 cement Substances 0.000 title abstract description 66
- 235000013379 molasses Nutrition 0.000 claims abstract description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 17
- GSEJCLTVZPLZKY-UHFFFAOYSA-N Triethanolamine Chemical class OCCN(CCO)CCO GSEJCLTVZPLZKY-UHFFFAOYSA-N 0.000 claims abstract description 16
- 239000004567 concrete Substances 0.000 claims abstract description 10
- 238000006243 chemical reaction Methods 0.000 claims abstract description 7
- HXKKHQJGJAFBHI-UHFFFAOYSA-N 1-aminopropan-2-ol Chemical compound CC(O)CN HXKKHQJGJAFBHI-UHFFFAOYSA-N 0.000 claims description 9
- 239000000203 mixture Substances 0.000 claims description 8
- 238000003756 stirring Methods 0.000 claims description 6
- 239000000463 material Substances 0.000 abstract description 9
- 230000000694 effects Effects 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000006703 hydration reaction Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 abstract description 2
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 abstract 6
- ZBCBWPMODOFKDW-UHFFFAOYSA-N diethanolamine Chemical compound OCCNCCO ZBCBWPMODOFKDW-UHFFFAOYSA-N 0.000 abstract 2
- 229940043237 diethanolamine Drugs 0.000 abstract 2
- 230000005284 excitation Effects 0.000 abstract 1
- 238000004321 preservation Methods 0.000 abstract 1
- 239000000126 substance Substances 0.000 abstract 1
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 8
- 230000006835 compression Effects 0.000 description 7
- 238000007906 compression Methods 0.000 description 7
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 description 6
- SLINHMUFWFWBMU-UHFFFAOYSA-N Triisopropanolamine Chemical compound CC(O)CN(CC(C)O)CC(C)O SLINHMUFWFWBMU-UHFFFAOYSA-N 0.000 description 5
- 230000000052 comparative effect Effects 0.000 description 5
- 229960004418 trolamine Drugs 0.000 description 5
- 235000011187 glycerol Nutrition 0.000 description 4
- 238000012360 testing method Methods 0.000 description 3
- 229920002472 Starch Polymers 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 238000011056 performance test Methods 0.000 description 2
- 230000000704 physical effect Effects 0.000 description 2
- 239000011505 plaster Substances 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 239000002893 slag Substances 0.000 description 2
- 235000019698 starch Nutrition 0.000 description 2
- 239000008107 starch Substances 0.000 description 2
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 1
- 239000011398 Portland cement Substances 0.000 description 1
- 230000004308 accommodation Effects 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 239000011572 manganese Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
Landscapes
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The invention discloses a novel cement grinding aid and a preparation method thereof. The novel cement grinding aid is prepared from water, diethanol amine isopropyl alcohol, molasses and modified triethanolamine. The method comprises the following steps: adding 10-12 parts by mass of water, 40-55 parts by mass of diethanol amine isopropyl alcohol, 5-10 parts by mass of molasses and 35-60 parts by mass of modified triethanolamine to a reaction kettle during preparation; controlling the temperature in the reaction kettle at 90 DEG C, and quickly agitating and reacting for 2 hours, and then carrying out heat preservation for an hour, so as to form the product. By adopting the novel cement grinding aid and the preparation method thereof, the grinding efficiency of a mill system can be obviously improved, and the novel cement grinding aid has a strong chemical excitation effect, induces hydration reaction of cement, improves strength of the cement of each age, has good compatibility with a concrete admixture, and is an optimal material for reducing the production cost of the cement grinding aid by a cement grinding aid enterprise.
Description
Technical field
The present invention relates to cement additive field, be specifically related to a kind of novel concrete grinding aid and its preparation method and application.
Background technology
Cement production enterprise is producing when cement, and in order to solve, in cement production process, grinding pow consumption is too high, mill efficiency is low and improve strength of cement and other physicalies, increase blended material consumption, the problem such as reduces costs, and tends to add cement grinding aid.
But, to be substantially all that to adopt trolamine, tri-isopropanolamine be that main raw material(s) is composite form for nearly all textbook, the cement grinding aid that network data is mentioned, although cement grinding aid grinding aid and the reinforced effects of this class are all right, but with concrete admixture consistency aspect Shortcomings, in addition, its raw materials price is higher, has restricted the production cost control of cement grinding aid, give cement grinding aid enterprise earn foreign exchange synergy work produce obstacle.
Summary of the invention
Technical problem solved by the invention is to provide a kind of novel concrete grinding aid and preparation method thereof, and this cement grinding aid has extremely strong dispersiveness and eliminates the effect of static, can obviously improve the mill efficiency of grinder system; And thering is very strong chemi-excitation effect, the hydration reaction of induction cement, improves the each age strength of cement, good with concrete admixture consistency, can be in order to solve the shortcoming in above-mentioned background technology.
Technical problem solved by the invention realizes by the following technical solutions:
A kind of novel concrete grinding aid, is made up of water, di-alcohol monoisopropanolamine, molasses, modified triethanolamine.
The mass fraction of each composition is:
Water 10-12
Di-alcohol monoisopropanolamine 40-55
Molasses 5-10
Modified triethanolamine 35-60.
A kind of novel concrete grinding aid of the present invention adopts following methods preparation:
In reactor, add the water of 10-12 mass parts, the di-alcohol monoisopropanolamine of 40-55 mass parts, the molasses of 5-10 mass parts, the modified triethanolamine of 35-60 mass parts, temperature in reactor is controlled to 90 DEG C, rapid stirring reaction 2 hours, is then incubated 1 hour, is finished product.
The present invention has the following advantages and effect:
1, long-term storage under differing temps, without layering without precipitation.
2, wide accommodation, can be used for producing the general purpose portland cement of different grades.
3, for cement grinding system, than taking trolamine, tri-isopropanolamine as the cement grinding aid grinding-aid effect of main raw good, 3 days and 28 days ultimate compression strength are higher than 1.5-2.5 MPa.
Embodiment
Give an actual example and describe the present invention below.
Embodiment 1,
Prepare cement grinding aid: in reactor, add the water of 10 mass parts, the di-alcohol monoisopropanolamine of 55 mass parts, the molasses of 10 mass parts, the modified triethanolamine of 60 mass parts, temperature in reactor is controlled to 90 DEG C, rapid stirring reaction 2 hours, then be incubated 1 hour, make cement grinding aid.
Select in mass ratio the cement grinding aid 15% of preparing under above-mentioned preparation method's condition, glycerine 10%, molasses 20%, water 55%; According to the above ratio material is added in stirrer and stirred respectively.Mix ratio is 1000 grams of/ton of cement.
Embodiment 2,
Prepare cement grinding aid: in reactor, add the water of 12 mass parts, the di-alcohol monoisopropanolamine of 50 mass parts, the molasses of 8 mass parts, the modified triethanolamine of 40 mass parts, temperature in reactor is controlled to 90 DEG C, rapid stirring reaction 2 hours, then be incubated 1 hour, make cement grinding aid.
Select in mass ratio the cement grinding aid 33% of preparing under above-mentioned preparation method's condition, glycerine 18%, molasses 12%, water 37%; According to the above ratio material is added in stirrer and stirred respectively.Mix ratio is 500 grams of/ton of cement.
Embodiment 3,
Prepare cement grinding aid: in reactor, add the water of 10 mass parts, the di-alcohol monoisopropanolamine of 40 mass parts, the molasses of 5 mass parts, the modified triethanolamine of 35 mass parts, temperature in reactor is controlled to 90 DEG C, rapid stirring reaction 2 hours, then be incubated 1 hour, make cement grinding aid.
Select in mass ratio the cement grinding aid 49% of preparing under above-mentioned preparation method's condition, glycol ether 20%, molasses 5%, water 26% adds material in stirrer and stirs respectively according to the above ratio.Mix ratio is 300 grams of/ton of cement.
Batching comparative group A:
Trolamine 8%, tri-isopropanolamine 7%, glycerine 10%, molasses 20%, water 55%; Mix ratio is 1000 grams of/ton of cement.
Trolamine 15%, tri-isopropanolamine 18%, glycerine 18%, molasses 12%, water 37%; Mix ratio is 500 grams of/ton of cement.
Trolamine 24%, tri-isopropanolamine 25%, glycol ether 20%, molasses 5%, water 26%; Mix ratio is 300 grams of/ton of cement.
By three class grinding aids in composite example 1 ~ 3 cement grinding aid forming and batching comparative group A, all apply little mill test:
By grog 3.9kg, Wingdale 0.4kg, slag 0.35kg, shale 0.125 kg, desulfurated plaster 0.25kg, is made into cement admixture, and grinding 23min, for blank contrast sample, is designated as A0.
The cement grinding aid that above cement admixture quality 1 ‰ embodiment 1 of admixture make, grinding 23min, for contrast sample, is designated as A1.
The cement grinding aid that above cement admixture quality 0.5 ‰ embodiment 2 of admixture make, grinding 23min, for contrast sample, is designated as A2.
The cement grinding aid that above cement admixture quality 0.3 ‰ embodiment 3 of admixture make, grinding 23min, for contrast sample, is designated as A3.
The cement grinding aid of three classes in above cement admixture quality 1 ‰, 0.5 ‰, the 0.3 ‰ batching comparative group A of admixture, grinding 23min, is designated as A41, A42, A43.
The cement-like of making is carried out to physical property test, and result is as follows:
Known by above-mentioned experiment and performance test, add the cement grinding aid of cement agent material of the present invention, cement fineness attenuates, and specific surface area increases, more than 3 days ultimate compression strength of cement can increase 3.8Mpa, more than within 28 days, ultimate compression strength can increase 5.4Mpa; All do not exceed 1.3 MPas, 1.5 MPas than by grinding aid 3 days and the 28 days ultimate compression strength of novel material; And it is all good only to starch degree of mobilization.
Batching comparative group B:
By grog 2.85kg, manganese slag 0.2kg, black stone 0.75kg, Wingdale 0.95 kg, desulfurated plaster 0.25kg, is made into cement admixture, and grinding 24min, for blank contrast sample, is designated as B0.
The cement grinding aid that above cement admixture quality 1 ‰ embodiment 1 of admixture make, grinding 24min, for contrast sample, is designated as B1.
The cement grinding aid that above cement admixture quality 0.5 ‰ embodiment 2 of admixture make, grinding 24min, for contrast sample, is designated as B2.
The cement grinding aid that above cement admixture quality 0.3 ‰ embodiment 3 of admixture make, grinding 24min, for contrast sample, is designated as B3.
The cement grinding aid of three classes in the batching comparative group B of the above cement admixture quality 1 ‰, 0.5 ‰, 0.3 ‰ of admixture, grinding 24min, is designated as B41, B42, B43.
The cement-like of making is carried out to physical property test, and result is as follows:
Known by above-mentioned experiment and performance test, add the cement grinding aid of cement agent material of the present invention, cement fineness attenuates, and specific surface area increases, more than 3 days ultimate compression strength of cement can increase 4.0Mpa, more than within 28 days, ultimate compression strength can increase 4.3Mpa; All do not exceed 1.0 MPas, 1.1 MPas than by grinding aid 3 days and the 28 days ultimate compression strength of novel material; And it is all good only to starch degree of mobilization.
More than show and described ultimate principle of the present invention and principal character and advantage of the present invention.The technician of the industry should understand; the present invention is not restricted to the described embodiments; that in above-described embodiment and specification sheets, describes just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.The claimed scope of the present invention is defined by appending claims and equivalent thereof.
Claims (2)
1. a novel concrete grinding aid, is characterized in that, is made up of water, di-alcohol monoisopropanolamine, molasses, modified triethanolamine, and the mass fraction of each composition is:
Water 10-12
Di-alcohol monoisopropanolamine 40-55
Molasses 5-10
Modified triethanolamine 35-60.
2. the preparation method of a novel concrete grinding aid, it is characterized in that, in reactor, add the water of 10-12 mass parts, the di-alcohol monoisopropanolamine of 40-55 mass parts, the molasses of 5-10 mass parts, the modified triethanolamine of 35-60 mass parts, temperature in reactor is controlled to 90 DEG C, rapid stirring reaction 2 hours, then be incubated 1 hour, be finished product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410089181.XA CN103896507B (en) | 2014-03-12 | 2014-03-12 | Cement grinding aid and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410089181.XA CN103896507B (en) | 2014-03-12 | 2014-03-12 | Cement grinding aid and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103896507A true CN103896507A (en) | 2014-07-02 |
| CN103896507B CN103896507B (en) | 2017-02-01 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410089181.XA Active CN103896507B (en) | 2014-03-12 | 2014-03-12 | Cement grinding aid and preparation method thereof |
Country Status (1)
| Country | Link |
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| CN (1) | CN103896507B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104529229A (en) * | 2014-12-11 | 2015-04-22 | 山东宏艺科技股份有限公司 | Enhanced cement grinding aid |
| CN106348631A (en) * | 2016-08-25 | 2017-01-25 | 辽宁天宝华瑞建材有限公司 | High-efficiency cement compound grinding aid added with industrial effluent and preparation method thereof |
| CN107200501A (en) * | 2017-04-12 | 2017-09-26 | 江苏仁爱建材科技开发有限公司 | additive and its application in cement or concrete |
| CN109734348A (en) * | 2019-03-08 | 2019-05-10 | 溧阳市精卫新型材料有限公司 | A kind of preparation method of liquid cement grinding additive |
| CN114477830A (en) * | 2022-01-18 | 2022-05-13 | 安徽理工大学 | Ecological high-activity low-carbon admixture for cement and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2784373A1 (en) * | 1998-10-09 | 2000-04-14 | Chryso Sas | Liquid additive for cement comprises tri-isopropanolamine and anti-forming agent |
| CN101337788A (en) * | 2008-08-08 | 2009-01-07 | 山东山水水泥集团有限公司 | Modified triethanolamine, preparation method and application thereof |
| CN102838311A (en) * | 2012-07-27 | 2012-12-26 | 浙江华骏建材有限公司 | Composite cement grinding aid and preparation method thereof |
| CN103073218A (en) * | 2013-01-24 | 2013-05-01 | 溧阳市精卫新型材料有限公司 | Novel cement grinding aid and preparation method thereof and application thereof |
| CN103288373A (en) * | 2013-05-09 | 2013-09-11 | 株洲宏信特种建材有限公司 | Cement compound type grinding aid |
| CN103435288A (en) * | 2013-08-19 | 2013-12-11 | 济南大学 | Novel grinding enhancer and preparation and application thereof |
-
2014
- 2014-03-12 CN CN201410089181.XA patent/CN103896507B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2784373A1 (en) * | 1998-10-09 | 2000-04-14 | Chryso Sas | Liquid additive for cement comprises tri-isopropanolamine and anti-forming agent |
| CN101337788A (en) * | 2008-08-08 | 2009-01-07 | 山东山水水泥集团有限公司 | Modified triethanolamine, preparation method and application thereof |
| CN102838311A (en) * | 2012-07-27 | 2012-12-26 | 浙江华骏建材有限公司 | Composite cement grinding aid and preparation method thereof |
| CN103073218A (en) * | 2013-01-24 | 2013-05-01 | 溧阳市精卫新型材料有限公司 | Novel cement grinding aid and preparation method thereof and application thereof |
| CN103288373A (en) * | 2013-05-09 | 2013-09-11 | 株洲宏信特种建材有限公司 | Cement compound type grinding aid |
| CN103435288A (en) * | 2013-08-19 | 2013-12-11 | 济南大学 | Novel grinding enhancer and preparation and application thereof |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104529229A (en) * | 2014-12-11 | 2015-04-22 | 山东宏艺科技股份有限公司 | Enhanced cement grinding aid |
| CN104529229B (en) * | 2014-12-11 | 2016-06-29 | 山东宏艺科技股份有限公司 | A kind of enhanced cement grinding aid |
| CN106348631A (en) * | 2016-08-25 | 2017-01-25 | 辽宁天宝华瑞建材有限公司 | High-efficiency cement compound grinding aid added with industrial effluent and preparation method thereof |
| CN107200501A (en) * | 2017-04-12 | 2017-09-26 | 江苏仁爱建材科技开发有限公司 | additive and its application in cement or concrete |
| CN109734348A (en) * | 2019-03-08 | 2019-05-10 | 溧阳市精卫新型材料有限公司 | A kind of preparation method of liquid cement grinding additive |
| CN114477830A (en) * | 2022-01-18 | 2022-05-13 | 安徽理工大学 | Ecological high-activity low-carbon admixture for cement and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103896507B (en) | 2017-02-01 |
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Address after: 412300 Hunan city of Zhuzhou province Youxian Jiangqiao street, Yau State Industrial Park Ji Long Lu Patentee after: ZHUZHOU HONGXIN TECHNOLOGY DEVELOPMENT Co.,Ltd. Address before: 412300 Hunan city of Zhuzhou province Youxian Jiangqiao street, Yau State Industrial Park Ji Long Lu Patentee before: ZHUZHOU HONGXIN SPECIAL CONSTRUCTION MATERIAL Co.,Ltd. |
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Denomination of invention: Cement grinding aid and preparation method thereof Effective date of registration: 20220424 Granted publication date: 20170201 Pledgee: Bank of Changsha Co.,Ltd. Youxian sub branch Pledgor: ZHUZHOU HONGXIN TECHNOLOGY DEVELOPMENT Co.,Ltd. Registration number: Y2022980004655 |
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Effective date of registration: 20221010 Address after: 412300 Jilong Road, Youzhou Industrial Park, Jiangqiao street, you County, Zhuzhou City, Hunan Province Patentee after: Hunan Runyou Technology Development Co.,Ltd. Address before: 412300 Jilong Road, Youzhou Industrial Park, Jiangqiao street, you County, Zhuzhou City, Hunan Province Patentee before: ZHUZHOU HONGXIN TECHNOLOGY DEVELOPMENT Co.,Ltd. |
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Effective date of registration: 20240603 Address after: 412000 Jilong Road, Youzhou Industrial Park, Jiangqiao street, you County, Zhuzhou City, Hunan Province Patentee after: ZHUZHOU HONGXIN TECHNOLOGY DEVELOPMENT Co.,Ltd. Country or region after: China Address before: 412300 Jilong Road, Youzhou Industrial Park, Jiangqiao street, you County, Zhuzhou City, Hunan Province Patentee before: Hunan Runyou Technology Development Co.,Ltd. Country or region before: China |